An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.
Classification: Thrust ball bearings
NSN 6130-01-437-5576
NSN 6220-01-240-1108
NSN 4140-01-491-0683
NSN 6110-01-650-6867
NSN 5990-01-517-7848
NSN 6135-01-461-6521
NSN 6150-00-506-0941
NSN 5996-01-415-1028
NSN 5960-01-170-4057
NSN 5910-00-792-4113
NSN 6220-00-815-8194
NSN 5999-01-298-6763